04 DRAFT Drawings - Dexter FF - Landscape.pdf

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PORTLAND DISTRICT

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N

SCALE: 1"= 30'

30' 0 30'

PLAN - WEST

PLAN - EAST

SORT

FACILITY

FF=662.25

PRE-SORTPOOLS

MAINTENANCE

AND OFFICE

BUILDING

DEXTER DAM

R

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EN

C E

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FISH LADDER

RV PAD

EXISTING JUVENILE CONCRETE POND

EXISTING JUVENILE AC POND

SUBSTATION

POWERHOUSE

STAGING AREA

WRIGHT LANE

PENGA ROAD

RAIN GARDEN PLANTINGS

(PER GARDEN): QTY COMMON/BOTANICAL NAME

AT POND BOTTOM: 35 SLOUGH SEDGE

CAREX OBNUPIA, 3' O.C., PLUG

POND BOTTOM TO 20 LARGE LEAVED LUPINE

12” UP BANK: LUPINUS POLYPHYLUS, 2' O.C., PLUG

12” TO TOP OF BANK: 20 WESTERN BUTTERCUP

RANUNCULUS OCCIDENTALIS, 2' O.C., 4” POT

10 DOUGLAS' SPIREA

SPIREA DOUGLASII, 3' O.C., 4” POT

ANESTHESIA POND

PLANTINGS: 20 SLOUGH SEDGE

CAREX OBNUPIA, 2' O.C., PLUG

20 COLUMBIA BROME

BROMUS VULGARIS, 2' O.C., PLUG

STEEP SLOPE AREA

ON 2:1 SLOPES: 100 TALL OREGON GRAPE

MAHONIA AQUIFOLIUM, 3' O.C., 1 GALLON

100 BALDHIP ROSE

ROSA GYMNOCARPA, 3'O.C., 1 GALLON

200 KINNIKINNICK

ARCOSTAPHYLOS UVA-URSI, 1' O.C., 4” POT

RAIN GARDEN PLANTINGS

(PER GARDEN): QTY COMMON/BOTANICAL NAME

NURSERY STOCK TREE: 250 DOUGLAS-FIR

(GROUPINGS OF 5-7 TREES AT PSEUDOTSUGA MENZIESII, 10' O.C., 1 GALLON

10' O.C., FIELD LOCATED

AS APPROVED BY CO)

SHRUB: 350 PACIFIC NINEBARK

PHYSOCARPUS CAPITATUS, 5' O.C., 1 GALLON

350 RED OSIER DOGWOOD

CORNUS STOLONIFERA, 5' O.C., 1 GALLON

350 SNOWBERRY

SYMPHORICARPOS ALBUS, 5' O.C., 1 GALLON

SEED MIX: MIXTURE % % PLS

BY WEIGHT PURE LIVE SEED

30% 95% WESTERN YARROW

ACHILLEA MILLEFOLIUM

20% 95% SHOWY MILKWEED

ASCLEPIAS SPECIOSA

20% 95% CLARKIA

CLARKIA AMOENA

30% 95% ROMER'S FESCUE

FESTUCA ROMERII

GRAVEL:

34-INCH MINUS SURFACING AGGREGATE, 6-INCH DEEP

RIPRAP:

3" - 6" OPEN RIPRAP

PLANT LIST:

ANESTHESIA

POND

RAIN

GARDEN

RAIN

GARDEN

STAGING AND SOIL

DISPOSAL AREA SEWAGE

LAGOON

FUTURE GENERATOR

BUILDING

SCALE: 1"= 30'

30' 0 30'

N

8/ 5/

MECHANICAL

& ELECTRICAL

BUILDING

3' TYP.

PARKING

RETAINING

WALL

DRAFT

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IDENTIFICATION

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WRAPPING (WHEN SPECIFIED)

SEE WRAPPING DETAIL

TOP OF ROOT BALL AT FINISH GRADE.

CUT TWINE AND ROLL BACK BURLAP

3" BARK MULCH 2 TIMES DIA. OF

ROOT BALL. KEEP MULCH

OFF CROWN.

BACKFILL WITH NATIVE SOIL

SEE SEPCIFICATIONS FOR

AMENDMENTS. WET

BACKFILL THOROUGHLY.

UNDISTURBED SOIL CAPABLE OF SUPPORTING

VEGETATION GROWTH. REMOVE ANY ASPHALT,

CONCRETE, ROCKS LARGER THAN 4" DIA.

GRAVEL OR OTHER NON-NATIVE MATERIAL

FROM WITHIN OR BELOW PLANTING HOLE.

SET ROOT BALL ON UNDISTURBED

OR COMPACTED SOIL

6" HIGH EARTH

SAUCER BEYOND

EDGE OF

ROOT BALL

FINISH GRADE

*STAKING (WHEN SPECIFIED)

SEE TREE STAKING DETAIL

2 TIMES DIAMETER OF ROOT BALL

TREE TIES (SEE NOTES)

TENSION GUYING TO ALLOW

4" SWAY ANY DIRECTION

*PLACE STAKES

OUTSIDE ROOT BALL

*ROUGH SAWN OR S4S

SEE NOTES. REMOVE

STAKE AFTER ONE YEAR

6" HIGH EARTH

SAUCER BEYOND

EDGE OF ROOT BALL

FINISH GRADE

WRAPPING (WHEN SPECIFIED)

SEE WRAPPING DETAIL

4'

8"

" M

IN

TREE PLANTING

(ALL FORMS EXCEPT BAREROOT)

TREE STAKING DETAIL

(ALL FORMS EXCEPT BAREROOT)

TREE WRAPPING DETAIL

BIO-DEGRADABLE

PLASTIC TAPE

BREATHABLE FABRIC TREE WRAP

APPLIED FROM TRUNK FLARE TO

FIRST BRANCH. WRAP PAPER

FROM THE BOTTOM UP WITH SUFFICIENT

OVERLAP TO COVER ALL BARK.

*TREE WRAP SHOULD BE INSTALLED

WHEN SPECIFIED BUT NO LATER

4"x30"

BROWSING PROTECTOR

WITH STAKE (PAINT

STAKE DARK BROWN)

PLACE ROOT

COLLAR AT

FINISH GRADE

EXISTING

SUBGRADE

FIRMLY PACK SOIL

AROUND SEEDLING.

DO NOT BEND OR

BREAK ROOTS. NO

"J" OR "L" ROOTS

TREE SEEDLING

STRAW MULCH

w/ TACKIFIER

(BLOW ON MULCH

AFTER PLANTING)

NATIVE SOIL

BACKFILL

SPECIFIED FERTILIZER

IF ANY

SEEDLING PLANTING

TUBELING, SEE

PLANS FOR SIZE

STRAW MULCH w/

TACKIFIER (BLOW ON

AFTER PLANTING)

4"x30" DEER PROOF

BROWSING PROTECTOR

NATIVE SOIL

BACKFILL

EXISTING

SUBGRADE

FIRMLY PACK SOIL AROUND TUBELING

SO THAT NO AIR POCKETS REMAIN.

DO NOT BEND OR BREAK ROOTS.

SPECIFIED FERTILIZER

IF ANY

*COMPACT PLANTING

MIX BENEATH ROOT

BALL (12" DEPTH)

* PLANT TUBELING @

SPACING AS SHOWN

ON PLANS

TUBELING PLANTING

TWO-PLY REINFORCED RUBBER

HOSE WITH CABLE OR GALV.

WIRE AT 120° INTERVALS

TURN BUCKLES

3" BARK MULCH,

KEEP MULCH OFF CROWN

6' DIA. SAUCER, 6" HIGH

S4Sx36" STAKE FLUSH w/ GRADE

POSITION ROOT CROWN

2" ABOVE FINISH GRADE

CUT TWINE AND ROLL

BACK BURLAP 1/3

ORIGINAL GRADE

PLANTING MIX:

3 TOPSOIL &

3 SOIL CONDITIONER

WET MIX THOROUGHLY

UNDISTURBED SOIL

2x DIA. OF ROOT BALL

*TREE PLANTING NOTES:

INSTALL TWO OF THE THREE STAKES AND GUY

WIRES ON THE UPHILL SIDE OF THE TREE.

GUYING TO ALLOW 4" SWAY IN ALL DIRECTIONS.

STAKES AND GUYING TO BE REMOVED AFTER ONE YEAR.

TREE PLANTING w/ GUYS ON SLOPE

(ALL FORMS EXCEPT BAREROOT)

MOUND FOR

TEMPORARY

WATER BASIN, 4"

TOP OF ROOT BALL

AT FINISH GRADE

3" MIN. BARK MULCH

KEEP MULCH OFF CROWN

FINISH GRADE

PLANTING MIX:

3 TOPSOIL &

3 SOIL CONDITIONER

PLANT TABLETS

(SEE SPECIFICATIONS)

PLANTING PITS TO BE 2x

DIAMETER OF ROOT BALL

REMOVE BURLAP

OR CONTAINER

4"

6"

" M

IN

SHRUB PLANTING

(ALL FORMS EXCEPT BAREROOT)

ORIGINAL GRADE

TOP OF ROOT BALL

AT FINISH GRADE

FINISH GRADE

SMOOTHLY GRADE

FILL TO MATCH

EXISTING SLOPE

EXISTING

SUBGRADE

REMOVE BURLAP

OR CONTAINER

MULCH 3" MIN.

KEEP MULCH OFF CROWN

BOTTOM OF BASIN 4"

BELOW TOP OF ROOT BALL

UPSLOPE BASIN

6" MIN. BACKFILL

PLANTING MIX:

3 TOPSOIL &

3 SOIL CONDITIONER

PLANTING HOLE

2x DIA. OF ROOT BALL

SLOPE AREA SHRUB PLANTING

FINISH GRADE

TUBERS OR DIVISIONS

CONTAINER-GROWN

PLANT

RHIZOME

EXISTING

SUBGRADE

PLANTING HOLE TO

2x DIAMETER OF ROOT BALL

NOTE:

UNLESS OTHERWISE SPECIFIED, PLANT AT

DEPTHS RECOMMENDED BY PLANT SUPPLIER

PLANTING DEPTH

AT SAME DEPTH AT

WHICH THEY WERE GROWN

IN NURSERY, COLLECTING FIELD,

OR CONTAINER.

SPECIFIED PLANTING

DEPTH (SEE NOTES)

HERBACEOUS PLANTING

BULB

GENERAL PLANTING NOTES:

* ADJUST PLANTING LOCATION SO THAT VEGETATION DOESN'T CONFLICT WITH ABOVE - OR BELOW-GROUND UTILITIES.

* LOCATE UNDERGROUND UTILITY LINES PRIOR TO DIGGING TREE HOLES.

* ADJUST PLANT LOCATIONS TO AVOID CONFLICT SIGNS OR OTHER APPURTENANCES.

* SEE 'AMERICAN STANDARD FOR NURSERY STOCK' FOR PLANT QUALITY MINIMUM STANDARDS

SUCH AS SIZE OF ROOT BALL OR CALIPER OF TRUNK.

* ALL DIMENSIONS SHOWN ON DETAILS ARE MINIMUM DIMENSIONS.

* SEE PLANT LIST OR SPECIAL PROVISIONS FOR PLANT MATERIAL THAT MAY

NEED TO BE WILD-COLLECTED OR CONTRACT-GROWN.

*MULCH AND SEED ALL DISTURBED AREAS, EXCEPT AS NOTED.

TREE STAKING NOTES:

-FURNISH TREE STAKES ON ALL TREE PLANTINGS. STAKES TO BE CONSTRUCTION GRADE, ROUGH SAWN OR FINISHED DOUGLAS FIR

OR PINE. STAIN WITH AN APPROVED GREEN PENETRATING OIL.

STAKE SIZE IS TO BE 11

2"x11

2" BY THE FOLLOWING LENGTHS:

* TREES 36" AND SHORTER - USE ONE - 6' (APPROX.) STAKE

* TREES TALLER THAN 36" - USE TWO - 8' (APPROX.) STAKES

*TREES PLANTED ON SLOPE, USE THREE STAKES - 6' or 8' DEPENDING ON HEIGHT OF TREE

-DRIVE STAKES VERTICALLY AND AT LEAST 12" INTO UNDISTURBED SOIL. DO NOT DRIVE STAKES THRU ROOT BALL. LOCATE STAKES

TO BEST RESIST PREVAILING WINDS WHERE POSSIBLE.

TREE TIES TO BE EITHER:

* PLASTIC CHAIN TYPE, APPROXIMATELY 1" WIDTH BY 18" DEPTH. WHERE TWO STAKES ARE REQUIRED, CROSS THE TIES

BETWEEN STAKES AND WRAP TIE ONCE AROUND TREE. FASTEN SECURELY TO STAKE.

* RIGID GUY SYSTEM AS MANUFACTURED BY ALPINE NURSERY, BORING, OREGON, OR APPROVED EQUAL. THE GALVANIZED WIRE IS TO BE APPROXIMATELY 18" IN THICKNESS AND 24" IN LENGTH. THERE IS TO BE A PLASTIC SLEEVE OVER THE PORTION THAT GOES AROUND THE TREE. THE WIRE TIE IS TO GO THRU THE WOOD STAKE AND BE SECURELY FASTENED.PLANT SPACING

FOR "X" - SEE PLANT LIST

"X" o.c.

"X" o.c.

RAINGARDEN DETAIL

UNCOMPACTED

NATIVE SOIL

FILTER FABRIC

HIGH DENSITY JUTE

OR COCONUT MATTING

" M

IN

1' M

IN

1' M

IN

DRAIN

GRAVEL

GROWING MEDIUM

MAX SLOPE

3:1DRAFT